Manufacture of covered wire.



PATENTED 'JULY 28, 1908. U.V.AGKEB.MAN. r MANUFACTURE OFOOVERED WIRE.

APPLIOATION FILED JUNE 11, 1906.

2 SHEETS-SHEET l.

U'zcarles INVENTOH maker/nan WITNESSES A TTORNEYS PATEN'TED JULY 28,1908.

No. 894,790. I c. v. AOKERMAN.

MANUFACTURE OF oovsmzn WIRE.

APPLICATION I'ILED JUNE 11, 1906.

SEW

and

similar characters of CHARLES v. A'GKERMAN', or rAssAio, NEW JERSEY.

MANUFACTURE 0]?v COVERED WIRE.

Original application filed September 7,

Letters Patent. 1904 Serial No. 223,698. Divided. and this applicationfiled June 11, 1906.

' Specification of Patented July 28, 1908.

Serial No. 321,198.

To all whom it may concern:

Be it known that I, CHARLES V. AOKER- MAN, a citizen of the UnitedStates, and a resident of Passaic,in the county of Passaic and State ofNew Jersey, have invented new and useful Im rovements in the Manufactureof Covere -Wire, of which the following is a full, clear, and-exactdescription. The object of the invention is to provide certain new anduseful improvements in the manufacture of covered wire, whereby the wireis covered with an insulating plastic substance such as cement or thelike, and this substance is inclosed in a, wra er formed of sheets, suchas sheet tin or the li e, the wra per serving as a mold for thesubstance uring the subsequent vulcanizing or other hardening processof. the substance.

The invention consistsof novel features parts and combinations of thesame, which will be nfore fully described hereinafter and then pointedout in the claims.

A practical embodiment of the invention is represented in theaccompanying drawings forming a part of this specification, in whichreference indicate corresponding parts in all the views.

Figure 1 1s a cross section of the Wire cov-. ering machine, on the line11 of Fig. 2; Fig. 2 is a side elevation of the same; Fig. 3

- is a transverse sectionof one of the plastic naled the main shaft B,carrying a gear wh ing its shaft 1) substance feeding rollers; Fig. 4is" an enlarged sectional side elevation of the improvement; and Fig. 5is an enlarged cross section of the covered wire.

In a suitably constructedframe A is jour-1 ee C, geared with othermachinery for imparting a continuous rotary motion to the shaft B; On"the latter is secured a drawing and 'pressin roll I), operating inc'onjunction with a like drawing and pressing roll D, havjournaler insuitable bearings carried on the mainframe A, the same as the shaft B.The shafts B and D are connected with each otheribyg ear wheels E and E,so

that when the shaft grooves are approximately 7 semi-circular so that thgrooves at-the contacting points of.

the rolls form circular openings, through each pletel the parts ysuitable I B isrotated, the shaft D rotates with it, to cause'the'rollsD and D V G and G 'is and G onto the parts H and H,

feed rollers J and J,

of which passes concentrically the wire F to be covered, as lainlyindicated in Fig. 4. By having the ro ls D and D provided with a numberof grooves a corresponding number of Wires may be coveredsimultaneously, it

being, however, understood that each wire F is covered by a substance G,such as unvulcanized rubber in a plastic state, cement or the like, andthis plastic substance is inclosed in a Wrapper formed of two parts Hand H of sheet material, such as sheet tin or the like. The wrapper actsas a mold for the plastic substance during the subsequent vulcanizingprocess and the wrapger is' stripped 03 the vulcanized substance afterthe vulcanizing rocess is finished. The wrapper may be eft on thecovered wire and separated by means of rotary knives.

The lastic material G is passed onto the wire F in two layers G and Gsuperimposed on the parts H and-H forming the wrapper, as indicated inFig. 4. The two parts G and G of the plastic substance are pressedtogether at their edges by the rolls D and D, so

as to integrally unite the said two parts attheir edges, thus completelyinclosing or covering the wire F, as will be readily understood breference to Fig. 5. The two parts H and of the wrapper are likewisepressed together at their ad acent edges so as to cominclose thecovering substance G (see The arts H and H unwind from suitable rollers2 and H (see Fig. 2) and are fed onto and pressed in firm contact withthe grooved surfaces of the rolls D and D by feed rollers I and Ijournaled-in suitable bearings on the main frame and'provided with ribsor beads,

as plainly indicated in the drawings, theribs or eads corresponding tothe grooves in the corresplonding rolls D and D so that the ribs press te parts H and'H into the grooves, for to conform to the shape of thegrooves. The feed rollers I and I are driven shafts'B and so that'therotate in unison with the rolls D andD.

The plastic placed in the form of lumps G: after the same are pressed inposition on'theperi heral surfaces of the rolls D and D, the said umps GG being'press'ed anrlllpacked into uniform layers ontotheparts and H bybeaded ggaring, not shown, from the havingtheir shafts 5 rollers I and Imaterial for formin'gthe layers I the meetin and J journaled in suitablebearings K and K adjustably mounted in the main frame A. The feedrollers J and J rotate in unison with the rolls D and D, and for thispur 'ose the shaft B is connected by gear wheels and L with the shaft Jand the shaft D is connected by gear wheels L and L with the shaft J forthe upper feed roller J. The rollers J and J are ribbed or beaded,similar to the'rollers I and I, the only difference, however, being thatthe ribs or beads of the rollers J and J are less in size than the beadsor ribs on the rollers I and I (see Fig. 1), and slightly less than thewires to be covered, to insure firm packing of the layers G, Gr aroundthe wires.

By the arrangement described, the plastic material is pressed onto theparts H and H, and the layers G and G are grooved by the ribs or beadson the rollers J and J, so that when the layers G and G come in contactwith the Wire F they inclose the latter, as previously described, and atthe same time edges of the two layers are 'rm contact with each other,to

pressed in' e'layers integrally, as indicated in unite th Fig. 5.

As the layers G and G are superimposed on the parts H and H, the latteract as carrying mediums for the layers, and the lumps G and G are searated into separate pairs of layers G and by the sharp edges of therolls D and D coming in contact with the peripheral faces of the rollersJ and J- (see ig. 1),, so that each wire F is covered by a pair oflayers G and G and the several pairs of united layers are inclosed inthe uncut parts H and H forming the wrapper, and which uncut parts arestripped off or separatedby means of rotary knives, after the subsequent.vulcanizing process is completed.

The rollers D, D, J and J are preferably heated by steam, hot water orother suitable heating medium and are made interchangeable for differentsize wires, and for this urpose the corresponding shaft B, D J 2 or Jmay be made hollow and connected by a suitable tube N with a source ofsteam or hot water supply, and each shaft has a spline engaginga-corresponding groove in the Wall of the bore of the correspondingroller and gear-wheel, as plainly shown inFi 3, in which the roller Jand its gear whee L are garticularly shown. On removing the shafts D Jand J the rollers D, D, J and-J can be taken out of the machine andothers for different sized wires may be placed in position and theshafts returned to engage the new rollers.

The means employed for adjustin the bearings K and K to bring therollers and J in 1proper rolling contact 'with the rolls D and may beofany approved constructlon; for instance, as shown in Figs. 1 and 2, ineach of the bearings K and K screws a uniform layer.

screw rod 0, journaled in the main. frame and connected by a worm wheel0 .and worm O with a shaft 0 carrying a hand wheel 0 so that when thelatter is turned, the corresponding bearings K orK are moved upward ordownward, according to the direction in which the wheel 0 is turned.

When the machine is in operation, the

parts H and H unwind from their rollers H and H and the wire F unwindsfrom a roller F andpasses between tension rollers F and F journaled onthe main frame, to then pass through a funnel F, concentrically throughthe corresponding circular aperture formed by registering grooves in therolls D and D. Theroller F, as well as the tension rollers F and F andthe funnel F are arranged on the main frame A, as plainly indicated inFig. 2.

The operation is as follows: When the main shaft B is rotated, the rollsD and D and the rollers I and I, as well as the rollers J and J, rotatein unison with each other, so that each wire F is covered by a pair ofunited layers G and G of plastic material and the several pairs areinclosed in the sheet wrapper sections, brought in contact with eachother between adjacent pairs of layers G, G by the rolls D and D, whichalso cause a constant feedin forward of'the wire F, as the latter isfirm y engaged by the plastic material G and-its wrapper during thepassageof the several parts between the rolls D and D.

.Having thus described my invention, I claim as new and desire to secureby Letters Patent:

1 A wire covering machine comprising a a pair of rolls betweenwhich passthe wire,

the plastic wire coverin substance and the sheet wrapping materiaf,means for feedin the sheet wrapping material to the eriphera faces ofthe said rolls, and means iii the plastic wire coverin substance ontothe sheet wrapping materiafi, and at the same time pressing the plasticsubstance into a 2. A wire covering machine comprising a pair of rollsbetween which pass the wire, the plastic wire covering substance, andthe wra ping material in two-part sheet form, a feed roller for eachroll, for feeding the wra ping material onto the peripheral face of t 1er feeding corresponding roll, and a feed roller for each ofthe rolls,for feeding the plastic substance onto the corresponding wrappingmaterial, and at the same time pressing the plastic substance into auniform layer.

3. A wire covering machlne comprising a pair of rolls between which passthe wire, the wire covering substance and the wrapping material intwo-part sheet form, a feed roller for each roll, for feeding the wraping mate rial onto the peripheral face of the corresponding roll, and afeed roller for each of the rolls, for feeding the plastic substance ina uniform layer onto ping material, thefeed roller for the plasticsubstance coactin with the roll at a point on the perlilphery of t elatter between the said feed r0 er for the sheet material and the en.trance'between the rolls.

4. A wire coveringmachine comprising a pair of rolls formed on theirperiplheral faces with registering grooves, a feed r0 er for each rollfor feeding wrapping material onto the peripheral face of thecorresponding roll, the said feed rollers being provided with ribs orbeads corresponding to the grooves in the said rolls, and a feed rollerfor each of the rolls for feeding lastic substance in a uni.- form layeronto the corresponding wrapping material, the said feed rollers beingalso provided with ribs or beads.

5. A wire covering machine, comprising a pair of rolls between whichpass the wire, the plastic wire covering substance, and the wrappingmaterial, feed rollers for feeding the wrap ing material to theperipheral faces of the said rolls, feed rollers for feeding the plasticsubstance onto the wrap ing material, and means for heating the saidpair of rolls and the feed rollers for the plastic substance.

6; A wire covering machine comprising a pair of rolls between which passthe wire, the plastic Wire covering substance and the sheet ro s, and afeeding device for feeding the plastic wirecovering substance onto thesheet wrapping material. I

8. A machine for covering a plurality of wires with a wire covering ofunvulcanized the corresponding wrap- I wra pinglmaterial, and feedingdevices for' plastic substance, and inclosing the substance in a wrappercompr1sing means for forming 'the substance lnto pairs of layers andpressing the pairs of layers onto thewires,each air inclosing one wire,and means for-coverin g the several pairs of layers with a two-partremovable wrapper actin subseguent vulcanizing 0% the substance.

9. wire covering machine provided with rolls between which pass thewlre, the plastic coverin substance and the wrapping mate:

rial, an means for superimposing the plastic substance upon the wrappingmaterial and feeding it with the wrapping material between the saidrolls.

' 10. A wire covering machine provided with rolls between which pass thewire, the plastic covering substance and the wra ping material, andmeans for spreading the p as t1c substance in a layer upon the wrapp ngas a mold for the material and feeding it with thewrappmg materialbetween the said rolls.

11. 'A wire covering machine comprising rolls between which pass thewire, the plastic covering substance and the sheet wrapping materiameans for feeding the wrap in material between'the rolls, and means ororm ing the lastic material into a roovedlayer and fee ing it betweenthe said rolls.

12. A wire covering machine, provided with rolls between which pass thewire,,the plastic covering substance and the wrapping material in twoartsheet form, and means I for forming the s eets of plastic material withgrooves and feeding them superimposed upon thlci sheets of wrappingmaterial between the ro s.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses. I

A CHARLES v. AOKERMAN.

Witnesses:

JOHN KENNELLJL, JOSEPH 'D. DAVID.

